Dr. J. E. Gray on Chelonians. 293 



Kinixys erosa. 



All the specimens are slightly concave in the front of the 

 sternum, ^ome large specimens have the concavity extending 

 back in the middle line of the sternum to the anal plates ; and 

 the caudal marginal plates are generally thickened, but not 

 intlexed. In the smaller specimens, which are generally more 

 depressed and much more ventricose, the sternum is Hat, except 

 just at the back of the gular plates. 



In one specimen (15 7/), which is much darker and more 

 beautifully coloured, the centre of the fifth vertebral plate is 

 much more convex than usual ; yet it is quite distinct from 

 K. Homeana. The finger-bones are twice as broad as long ; 

 the feet-bones are rather longer than broad. 



Kinixys Homeana. 



This species is kijown by the fifth vertebral ' plate being 

 large, erect, and produced near the upper margin. The upper 

 edge of the fifth marginal plate slightly produced. 



The nuchal shield in our two specimens is variable, but is 

 distinct in both. In h it is regular, very narrow, and very 

 long ; in a it is broad, elongate, irregular, as if forming part 

 of the left first marginal plate. 



Manouria fusca. 



I formerly considered that the sternum in all the museum 

 specimens was flat ; but the specimen originally figured in the 

 'Cat. Shield Rept.' (t. 3) has the hinder lateral margin mode- 

 rately expanded, and the caudal plates convex externally and 

 with the lower edge slightly inflexed. The sternum is rather 

 convex on the sides, and slightly concave in the centre of the 

 hinder part of the abdominal and preanal plates, ti-uncated and 

 slightly notched in front ; the hinder part rather narrow, with 

 a deep notch, the end being about half the width of the base 

 of the preanal plates. 



The other specimen is larger, with the lateral margins, both 

 before and behind, much more expanded and bent up. The 

 caudal plates are flat and expanded. The sternum is con- 

 siderably concave for two thirds of its length ; the front end is 

 short and rounded, quite different from tlie elongate truncated 

 plates in the first specimen ; and the hinder lobe is broad, 

 with a wide anal notch at the end. The hinder end is about 

 two thirds the width of the hinder margin of the preanal plates. 



Perhaps these are species, as the one which has the flat 

 spread-out caudal plates has the most concave sternum and 

 short rounded postgular plates, and that with a convex in- 



